June 22, 2016.
Javascript Notes.
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EXTERNAL FILES
//To use javascript in the file temp.js:
var1=readTextFile("file:///C:/Users/erasmuse/Downloads/javascript.txt")
alert("var1")
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Writing on the screen window:
document.write("Here is something to write.")
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MAKES X INTO STRING, NOT #
x1 =x.toString()
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MAKES TEXT BOX APPEAR
alert("Show a box with this writing in it that the user has to click OK on to get rid of.")
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var1= prompt("What is your name?", "");
MAKES BOX APPEARAND GIVES SPACE FOR WRITING BELOW A PROMPT(vAR1 WILL BE WHAT YOU WRITE INTHE BLANK SPACE)
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// Here is a comment.
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Escape sEQUENCES:
\\ FOR A BACKSLASH
\n MEANS NEW LINE
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\ GETS RID OF AUTO SEMI COLON AT THe end of a line.
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TO GET THE LENGTH OF A STRING:
y = "bendasdasasasd"
z = y.length
MAKES X INTO STRING, NOT #
x1 =x.toString()
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BUTTON HTML TO GENERATE A NEW BUTTON
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MAKING A BUTTON DO SOMETHING WHEN PRESSED:
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MAKING A CHECKBOX DO SOMETHING
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